CN110369148A - A kind of direct flotation collector of collophanite at room temperature and preparation method thereof - Google Patents
A kind of direct flotation collector of collophanite at room temperature and preparation method thereof Download PDFInfo
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- CN110369148A CN110369148A CN201910705948.XA CN201910705948A CN110369148A CN 110369148 A CN110369148 A CN 110369148A CN 201910705948 A CN201910705948 A CN 201910705948A CN 110369148 A CN110369148 A CN 110369148A
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- Prior art keywords
- room temperature
- direct flotation
- collophanite
- preparation
- flotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/018—Mixtures of inorganic and organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
- B03D2203/06—Phosphate ores
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- Inorganic Chemistry (AREA)
Abstract
The invention discloses a kind of direct flotation collector of collophanite at room temperature and preparation method thereof, are related to Collophanite flotation technical field.The preparation method is that the C18 oleic acid and triethanolamine that mass ratio is 1.2~1.5:1 are put into round bottom single-necked flask, 13~15 times of quality of 10% sodium hydroxide-ethanol solution is added, round bottom single-necked flask is mounted on rotary evaporator, oil bath rotary heating, it is reacted 3~4 hours at 110~130 DEG C, 15~25 DEG C are cooled to, is the Cellophane direct flotation collecting agent of liquid under obtained room temperature.By the collectors application in low-grade high silica gel phosphorus ore direct flotation, 0.5~0.7kg/t collecting agent is added at normal temperature, roughing operation can be by P in concentrate by once top-uping2O5Content enrichment improves 7% floatation indicators.Compared with conventional oil acid collector, in identical flotation time, flotation yield and the rate of recovery are respectively increased 6% and 7% or so, P in concentrate2O5Content improves 1.2% or more, is a kind of efficient direct flotation collector of collophanite at room temperature.
Description
Technical field
The present invention relates to Collophanite flotation technical fields, and in particular to a kind of direct flotation collector of collophanite at room temperature and its system
Preparation Method.
Background technique
China is phosphor resource big country, but it is largely low-grade phosphate ore without richness that phosphate rock resource is rich, wherein 80% is siliceous
And silicate mineral, major impurity feature are that high-silicon high is semi-oxidized again, the main floatation process of such ore is direct flotation or just
Reverse flotation, i.e., directly floating phosphorus desiliconization.Key factor therein is exactly the use of floating agent, and in floating agent it is most important just
It is collecting agent.Currently, the fatty acid collecting agent for selecting collecting agent mainly based on oleic acid that top-ups.The problem of this kind of collecting agent
It is that dosage is high under normal temperature conditions, flotation efficiency is low, poor selectivity, causes flotation flowsheet long, at high cost.For this reason, it may be necessary to study
Soluble efficient direct flotation collecting agent good, collecting ability is strong.
Summary of the invention
The purpose of the present invention is to provide a kind of direct flotation collector of collophanite at room temperature and preparation method thereof, solve existing oil
Acid collector the problem of dosage is high under normal temperature conditions, flotation efficiency is low, poor selectivity.
In order to solve the above technical problems, the invention adopts the following technical scheme: a kind of collophane room temperature direct flotation collecting
The preparation method of agent, it is characterised in that the following steps are included:
1) 1.2~1.5:1 in mass ratio weighs C18 oleic acid and triethanolamine, using the two as being put into round bottom after mixture a
In single-necked flask；10% sodium hydroxide-the ethanol solution for taking 13~15 times of mixture a mass, is poured into round bottom single-necked flask；
2) round bottom single-necked flask is mounted on rotary evaporator, oil bath rotary heating, it is anti-at 110~130 DEG C
It answers 3~4 hours, is cooled to 15~25 DEG C, be the Cellophane direct flotation collecting agent of liquid under obtained room temperature.
Further technical solution be the 10% sodium hydroxide-ethanol solution the preparation method is as follows:
The sodium hydroxide for weighing 100g, is placed in polyethylene can, and the dissolution of 100ml water is added, is diluted to 75% ethyl alcohol
10% sodium hydroxide-ethanol solution is made in 1000ml constant volume.
The present invention can also be a kind of direct flotation collector of collophanite at room temperature, it is characterised in that: by glue phosphorus described above
The preparation method of mine room temperature direct flotation collecting agent is made.
Further technical solution is in a liquid state under the collecting agent room temperature.
Further technical solution is the collectors application in low-grade high silica gel phosphorus ore direct flotation, is used in room temperature
Amount is 0.5~0.7kg/t.
Compared with prior art, the beneficial effects of the present invention are:
1. selectivity is good, effectively improves collophane and top-up concentrate selection concentration ratio, effectively improve flotation yield and the rate of recovery.
2. medicament synthesis is simple, beneficiation cost is low, is easy to realize industrial production, remarkable in economical benefits.
3. adding 0.5~0.7kg/t at normal temperature by the collectors application in low-grade high silica gel phosphorus ore direct flotation and catching
Agent is received, roughing operation can be by P in concentrate by once top-uping2O5Content enrichment improves 7% floatation indicators.With common oleic acid
Class collecting agent is compared, and in identical flotation time, flotation yield and the rate of recovery are respectively increased 6% and 7% or so, P in concentrate2O5
Content improves 1.2% or more, is a kind of efficient direct flotation collector of collophanite at room temperature.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to invention into
Row is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit
The fixed present invention.
Embodiment 1
The preparation method of direct flotation collector of collophanite at room temperature, includes the following steps:
1) sodium hydroxide for weighing 100g, is placed in polyethylene can, and the dissolution of 100ml water is added, is diluted with 75% ethyl alcohol
To 1000ml constant volume, 10% sodium hydroxide-ethanol solution is made.
2) 12 grams of C18 oleic acid, 10 grams of triethanolamines and 286 gram 10% of sodium hydroxide-ethanol solution are put into togerther circle
In the single-necked flask of bottom, on the rotary evaporator carry out oil bath rotary heating to 110 DEG C isothermal reaction 3 hours, be cooled to 15 DEG C, i.e.,
Can get be under a kind of room temperature liquid Cellophane direct flotation collecting agent.
For raw ore P2O5Content 18%, SiO2The collophane of content 35%, at 20 °C, by 500 g tons to original
Mine adds collecting agent and carries out the operation of direct flotation one roughing, the P in the concentrate that 3 minutes flotation times obtain2O5Content 25.2%,
Yield is 61%, the rate of recovery 85.4%.
Under the same terms, P in the concentrate that is obtained using conventional oil acid collector2O5Content 23.9%, yield are
54.7%, the rate of recovery 75.16%.
Embodiment 2
The preparation method of direct flotation collector of collophanite at room temperature, includes the following steps:
1) sodium hydroxide for weighing 100g, is placed in polyethylene can, and the dissolution of 100ml water is added, is diluted with 75% ethyl alcohol
To 1000ml constant volume, 10% sodium hydroxide-ethanol solution is made.
2) 12.5 grams of C18 oleic acid, 10 grams of triethanolamines and 315 gram 10% of sodium hydroxide-ethanol solution are put into togerther
In round bottom single-necked flask, on the rotary evaporator carry out oil bath rotary heating to 120 DEG C isothermal reaction 3.5 hours, be cooled to room
20 DEG C of temperature, can be obtained be under a kind of room temperature liquid Cellophane direct flotation collecting agent.
For raw ore P2O5Content 18%, SiO2The collophane of content 35%, at 20 °C, by 600 g tons to original
Mine adds collecting agent and carries out the operation of direct flotation one roughing, obtains P in concentrate in 3 minutes flotation times2O5Content 24.96% produces
Rate is 63%, the rate of recovery 87.36%.
Under the same terms, P in the concentrate that is obtained using conventional oil acid collector2O5Content 23.7%, yield are
55.6%, the rate of recovery 79.86%.
Embodiment 3
The preparation method of direct flotation collector of collophanite at room temperature, includes the following steps:
1) sodium hydroxide for weighing 100g, is placed in polyethylene can, and the dissolution of 100ml water is added, is diluted with 75% ethyl alcohol
To 1000ml constant volume, 10% sodium hydroxide-ethanol solution is made.
2) 15 grams of C18 oleic acid, 10 grams of triethanolamines and 375 gram 10% of sodium hydroxide-ethanol solution are put into togerther circle
In the single-necked flask of bottom, on the rotary evaporator carry out oil bath rotary heating to 130 DEG C isothermal reaction 4 hours, be cooled to 25 DEG C, i.e.,
Can get be under a kind of room temperature liquid Cellophane direct flotation collecting agent.
For raw ore P2O5Content 18%, SiO2The collophane of content 35%, at 20 °C, by 700 g tons to original
Mine adds collecting agent and carries out the operation of direct flotation one roughing, obtains P in concentrate in 3 minutes flotation times2O5Content 24.83% produces
Rate is 65%, the rate of recovery 89.66%.
Under the same terms, P in the concentrate that is obtained using conventional oil acid collector2O5Content 23.47%, yield are
58.7%, the rate of recovery 82.4%.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will fall in this Shen
It please be within the open scope.More specifically, it discloses, in the scope of the claims, constituent can be carried out more in the application
Kind modification and improvement.Other than these modification and improvement, to those skilled in the art, other purposes also will be obvious
's.
Claims (5)
1. a kind of preparation method of direct flotation collector of collophanite at room temperature, it is characterised in that the following steps are included:
1) 1.2~1.5:1 in mass ratio weighs C18 oleic acid and triethanolamine, using the two as being put into round bottom single port after mixture a
In flask；10% sodium hydroxide-the ethanol solution for taking 13~15 times of mixture a mass, is poured into round bottom single-necked flask；
2) round bottom single-necked flask is mounted on rotary evaporator, oil bath rotary heating, at 110~130 DEG C react 3~
4 hours, 15~25 DEG C are cooled to, is the Cellophane direct flotation collecting agent of liquid under obtained room temperature.
2. the preparation method of direct flotation collector of collophanite at room temperature according to claim 1, it is characterised in that: described 10%
Sodium hydroxide-ethanol solution the preparation method is as follows:
The sodium hydroxide for weighing 100g, is placed in polyethylene can, and the dissolution of 100ml water is added, is diluted to 75% ethyl alcohol
10% sodium hydroxide-ethanol solution is made in 1000ml constant volume.
3. a kind of direct flotation collector of collophanite at room temperature, it is characterised in that: the collophane room temperature as described in claims 1 or 2
The preparation method of direct flotation collecting agent is made.
4. direct flotation collector of collophanite at room temperature according to claim 3, it is characterised in that: be under the collecting agent room temperature
Liquid.
5. direct flotation collector of collophanite at room temperature according to claim 3, it is characterised in that: the collectors application is in low
It is 0.5~0.7kg/t in room temperature dosage in the high silica gel phosphorus ore direct flotation of grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705948.XA CN110369148A (en) | 2019-08-01 | 2019-08-01 | A kind of direct flotation collector of collophanite at room temperature and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910705948.XA CN110369148A (en) | 2019-08-01 | 2019-08-01 | A kind of direct flotation collector of collophanite at room temperature and preparation method thereof |
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Citations (6)
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| CN103084276A (en) * | 2012-12-07 | 2013-05-08 | 武汉工程大学 | Preparation method of plant fatty acid diethanolamide ester soap compound collecting agent |
| CN103350035A (en) * | 2013-05-31 | 2013-10-16 | 武汉工程大学 | Collophanite direct flotation collecting agent and preparation method thereof |
| CN103734361A (en) * | 2014-01-27 | 2014-04-23 | 湖南农业大学 | Structure lipid prepared from modified cottonseed oil fractionation product and preparation method thereof |
| CN103990550A (en) * | 2014-05-28 | 2014-08-20 | 中蓝连海设计研究院 | Collophanite direct flotation collector, and preparation method, purposes and application method thereof |
| WO2015095876A1 (en) * | 2013-12-20 | 2015-06-25 | Chemtreat, Inc. | Mineral ore flotation using a modifier to enhance the hydrophobicity of the target material |
| CN107377231A (en) * | 2017-06-19 | 2017-11-24 | 湖北富邦科技股份有限公司 | A kind of collecting agent for alleviating phosphoric acid extraction bubbling and preparation method thereof |
-
2019
- 2019-08-01 CN CN201910705948.XA patent/CN110369148A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084276A (en) * | 2012-12-07 | 2013-05-08 | 武汉工程大学 | Preparation method of plant fatty acid diethanolamide ester soap compound collecting agent |
| CN103350035A (en) * | 2013-05-31 | 2013-10-16 | 武汉工程大学 | Collophanite direct flotation collecting agent and preparation method thereof |
| WO2015095876A1 (en) * | 2013-12-20 | 2015-06-25 | Chemtreat, Inc. | Mineral ore flotation using a modifier to enhance the hydrophobicity of the target material |
| CN103734361A (en) * | 2014-01-27 | 2014-04-23 | 湖南农业大学 | Structure lipid prepared from modified cottonseed oil fractionation product and preparation method thereof |
| CN103990550A (en) * | 2014-05-28 | 2014-08-20 | 中蓝连海设计研究院 | Collophanite direct flotation collector, and preparation method, purposes and application method thereof |
| CN107377231A (en) * | 2017-06-19 | 2017-11-24 | 湖北富邦科技股份有限公司 | A kind of collecting agent for alleviating phosphoric acid extraction bubbling and preparation method thereof |
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